Sudoku 2D (Mini Sudoku Series #5)

This is a very simple and basic Sudoku type. This Sudoku is generated using the computer program which I wrote some years back.
This is my 5th  Mini Sudoku puzzle in Mini Sudoku Series.

Sudoku 2D Instructions

Enter numbers from 1 to 4 so that each row, each column, and each main diagonal contain each number exactly once.
Sudoku 2D (Mini Sudoku Series #5)
Sudoku 2D (Mini Sudoku Series #5)

Sudoku 2D (Mini Sudoku Series #10) Solution
Sudoku 2D (Mini Sudoku Series #10) Solution

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